CN109489288B - Sound insulation and noise reduction device of air-cooled screw unit - Google Patents
Sound insulation and noise reduction device of air-cooled screw unit Download PDFInfo
- Publication number
- CN109489288B CN109489288B CN201811346028.5A CN201811346028A CN109489288B CN 109489288 B CN109489288 B CN 109489288B CN 201811346028 A CN201811346028 A CN 201811346028A CN 109489288 B CN109489288 B CN 109489288B
- Authority
- CN
- China
- Prior art keywords
- sound
- sound insulation
- air
- fixing
- screw unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 86
- 230000009467 reduction Effects 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811346028.5A CN109489288B (en) | 2018-11-13 | 2018-11-13 | Sound insulation and noise reduction device of air-cooled screw unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811346028.5A CN109489288B (en) | 2018-11-13 | 2018-11-13 | Sound insulation and noise reduction device of air-cooled screw unit |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109489288A CN109489288A (en) | 2019-03-19 |
CN109489288B true CN109489288B (en) | 2020-09-18 |
Family
ID=65695597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811346028.5A Active CN109489288B (en) | 2018-11-13 | 2018-11-13 | Sound insulation and noise reduction device of air-cooled screw unit |
Country Status (1)
Country | Link |
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CN (1) | CN109489288B (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2876612Y (en) * | 2006-01-11 | 2007-03-07 | 北京绿创声学工程股份有限公司 | Silencer for ventilation system of Heating ventilating and air conditioning |
KR101255216B1 (en) * | 2010-06-11 | 2013-04-23 | 주식회사 크림슨 | Soundproof block connection structure |
CN205777058U (en) * | 2016-05-23 | 2016-12-07 | 江苏建筑职业技术学院 | A kind of light sound-proof wall plate with convenient dismounting function |
CN207048327U (en) * | 2017-05-31 | 2018-02-27 | 上海建工集团股份有限公司 | Denoising device |
CN207247508U (en) * | 2017-09-22 | 2018-04-17 | 纽稳顿(上海)环境科技有限公司 | Fresh air system denoising device |
-
2018
- 2018-11-13 CN CN201811346028.5A patent/CN109489288B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN109489288A (en) | 2019-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A sound insulation and noise reduction device for air-cooled screw unit Effective date of registration: 20210915 Granted publication date: 20200918 Pledgee: Anhui Science and technology Financing Guarantee Co.,Ltd. Pledgor: KOCHEM ELECTRICAL Co.,Ltd. Registration number: Y2021980009423 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231115 Granted publication date: 20200918 Pledgee: Anhui Science and technology Financing Guarantee Co.,Ltd. Pledgor: KOCHEM ELECTRICAL Co.,Ltd. Registration number: Y2021980009423 |